Buderus Logamax plus GB162 Technical Manual page 99

Quick installation system combinations with low loss header across (DN25)
(WMS 2)
(HKV 2/25/25 WHY)
200
Fig. 86 Dimensions of the system combination heating
circuit distributor with integral low loss header
for two heating circuits (dim. in mm)
FK Flow temperature sensor
RH Non-return valve
RK Boiler return
VH Heating circuit flow
VK Boiler flow
1)
Height of the heating circuit connection sets HSM 15(-E),
HSM 20(-E), HSM 25(-E) and HS 25(-E)
2)
Height of the heating circuit connection sets HSM 32(-E)
and HS 32(-E)
For the connection of a DN32 set to a DN25 distributor
set, ÜS1 adaptor set, product no. 63 012 309 is required.
Connection diameter
For heating circuit flow and return
For the WHY DN25 low loss header across and heating circuit
distributor with HKV 2/25/25 WHY low loss header
Table 37
Internal diameter, heating circuit quick installation system (example)
HKV 2 / 25 / 25
1 2 3 4
Fig. 88 Internal diameter, heating circuit quick
installation set (example)
6 720 645 821 (2010/09) – Logamax plus GB162
580
290
RH VH 130
400
450
RH VH RH VH
FK
RK VK
130
420
6 720 642 463-116.1il
6 720 643 422-61.1il
1)
(HS 25E)
2)
(HSM 15/20/25E)
(WMS 1)
(WHY DN25)
Fig. 87 Dimensions of system combinations with low
loss header across for direct connection with a
heating circuit connection set for one heating
circuit (dim. in mm)
FK Flow temperature sensor
RH Non-return valve
RK Boiler return
VH Heating circuit flow
VK Boiler flow
System combination installation either to the
right or left of the gas condensing boiler.
Rp1 For HSM 20, HSM 25 and HS 25
Rp1¼ For HSM 32(-E) and HS 32(-E)
For boiler flow and return max. flow rate 2.0 m
R1
( tab. 38, page 100 ff.)
1 Heating circuit distributor
2 Number of heating circuit connection sets that can be
used; here two pce
3 Top connection dim., here DN25
4 Bottom connection dim., here DN25
Installation
290
RH VH
400
VH
RH
200
FK
RK VK
130
6 720 641 280-37.1il
3
/h
8
99